🐊
Black caiman
Melanosuchus niger
Reptiles · Least concern
vs
🦡
North American river otter
Lontra canadensis
Carnivores · Least concern
One clip names both of them
95,955 views between them.
Black caiman outweighs North American river otter 10× — 82 kg against 8.1 kg.
Tale of the tape
Body mass
82 kg
🐊 Black caiman · AnAge
8.09 kg
🦡 North American river otter · COMBINE
Body length
6 m
🐊 Black caiman · ReptTraits
0.72 m
🦡 North American river otter · COMBINE
Maximum lifespan
40 yr
🐊 Black caiman · AnAge
27 yr
🦡 North American river otter · COMBINE
Bars are sized against the larger of the two figures.
Animals caught on camera
Real footage of the animals on this site — hunting, fighting, and getting on with it.
Shared ancestry
The closest group they share is Tetrapoda (superclass), home to 51,389 species.
We know what their shared ancestor was, but not when it lived — no dated family tree spans both of them yet.